EP4240699A4 - IMPROVED APPARATUS AND METHOD FOR DETECTING PFAS CONTAMINATION IN AN ENVIRONMENT - Google Patents

IMPROVED APPARATUS AND METHOD FOR DETECTING PFAS CONTAMINATION IN AN ENVIRONMENT Download PDF

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Publication number
EP4240699A4
EP4240699A4 EP21889786.6A EP21889786A EP4240699A4 EP 4240699 A4 EP4240699 A4 EP 4240699A4 EP 21889786 A EP21889786 A EP 21889786A EP 4240699 A4 EP4240699 A4 EP 4240699A4
Authority
EP
European Patent Office
Prior art keywords
detecting
environment
improved apparatus
pfas
contamination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21889786.6A
Other languages
German (de)
French (fr)
Other versions
EP4240699A1 (en
Inventor
Randall Moore
Kevin Jackson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biolargo Inc
Original Assignee
Biolargo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/087,728 external-priority patent/US12172909B2/en
Application filed by Biolargo Inc filed Critical Biolargo Inc
Publication of EP4240699A1 publication Critical patent/EP4240699A1/en
Publication of EP4240699A4 publication Critical patent/EP4240699A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/422—Electrodialysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • B01D61/461—Apparatus therefor comprising only a single cell, only one anion or cation exchange membrane or one pair of anion and cation membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4698—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electro-osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C02F2101/14—Fluorine or fluorine-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/36—Organic compounds containing halogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/36—Organic compounds containing halogen
    • C02F2101/363—PCB's; PCP's
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4613—Inversing polarity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/46135—Voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
EP21889786.6A 2020-11-03 2021-09-14 IMPROVED APPARATUS AND METHOD FOR DETECTING PFAS CONTAMINATION IN AN ENVIRONMENT Pending EP4240699A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/087,728 US12172909B2 (en) 2020-11-03 2020-11-03 Apparatus and method for mediation of PFAS contamination in an environment
US17/237,040 US12496553B2 (en) 2020-11-03 2021-04-21 Apparatus and method for mediation of PFAS contamination in an environment
PCT/US2021/050305 WO2022098432A1 (en) 2020-11-03 2021-09-14 Improved apparatus and method for mediation of pfas contamination in an environment

Publications (2)

Publication Number Publication Date
EP4240699A1 EP4240699A1 (en) 2023-09-13
EP4240699A4 true EP4240699A4 (en) 2024-04-24

Family

ID=81380705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21889786.6A Pending EP4240699A4 (en) 2020-11-03 2021-09-14 IMPROVED APPARATUS AND METHOD FOR DETECTING PFAS CONTAMINATION IN AN ENVIRONMENT

Country Status (4)

Country Link
US (1) US12496553B2 (en)
EP (1) EP4240699A4 (en)
CA (1) CA3186861A1 (en)
WO (1) WO2022098432A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL300872A (en) * 2023-02-22 2024-09-01 Yeda Res & Dev Electrochemical decomposition of organic compounds containing fluorine in aqueous solutions
US20250011204A1 (en) * 2023-07-05 2025-01-09 Orin Technologies, Llc Method and Composition for the Recirculation Remediation of Contaminants
WO2025059179A1 (en) * 2023-09-14 2025-03-20 Arizona Board Of Regents On Behalf Of Arizona State University Electro-regeneration of pfas-laden and other spent sorbents
CN118598293B (en) * 2024-06-07 2025-12-30 北京林业大学 An apparatus and method for treating acidic wastewater

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100684064B1 (en) 2002-04-02 2007-02-16 페르메렉덴꾜꾸가부시끼가이샤 Functional water, and manufacturing method and apparatus thereof
CN1968898A (en) 2004-06-18 2007-05-23 株式会社荏原制作所 Liquid treatment device
WO2014103819A1 (en) * 2012-12-25 2014-07-03 株式会社クラレ Ion exchange membrane, method for producing same, and electrodialyzer
CN104944533B (en) 2014-03-26 2017-08-25 北京师范大学 A kind of concentrating and separating minimizing technology of perfluorochemical
RU2730328C1 (en) 2015-12-18 2020-08-21 Яра Интернейшнл Аса Methods of treating industrial waste water with electrolysis
EP3500528A4 (en) 2016-08-19 2020-06-03 University of Georgia Research Foundation, Inc. METHODS AND SYSTEMS FOR ELECTROCHEMICAL OXIDATION OF POLYFLUOROALKYL AND PERFLUROALKYL CONTAMINANTS
CA3035672A1 (en) 2016-09-12 2018-05-31 Aecom (Delaware Corporation) Use of electrochemical oxidation for treatment of per-and polyfluoroalkyl substances (pfas) in waste generated from sorbent and resin regeneration processes
CN111712942A (en) 2018-01-08 2020-09-25 24M技术公司 Electrochemical cell including permselective membrane, system and method of making the same
CA3119989A1 (en) * 2018-11-16 2020-05-22 Hydrus Technology Pty. Ltd. Method of treating a liquid including an organofluorine
WO2020172132A1 (en) 2019-02-20 2020-08-27 Board Of Trustees Of Michigan State University Electrode apparatus for creating a non-uniform electric field to remove polarized molecules in a fluid
WO2020260487A1 (en) * 2019-06-26 2020-12-30 Chromafora Ab A process for removal of pfas from water
EP4097054A4 (en) * 2020-01-28 2024-01-10 E2Metrix Inc. METHOD AND DEVICE FOR THE ELECTROCHEMICAL TREATMENT OF WATER CONTAMINATED WITH ESCAPE OF IMPURITIES
AU2021244466A1 (en) 2020-03-23 2022-11-24 Evoqua Water Technologies Llc Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances
EP3895817A1 (en) 2020-04-14 2021-10-20 Photon Remediation Technology N.V. Method and kit for remediation of environments contaminated with halogenated organic compounds
US12391583B2 (en) 2020-04-17 2025-08-19 Board Of Trustees Of Michigan State University Electrode apparatus for removing contaminants from a fluid
WO2021252965A1 (en) * 2020-06-12 2021-12-16 Pani Clean, Inc. Hybrid electrodialysis and electrolysis systems and processes

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Water Technologies & Solutions Fact Sheet Ionics* Ion Exchange Membranes General Description and Use", 1 October 2020 (2020-10-01), XP093139836, Retrieved from the Internet <URL:https://www.watertechnologies.com/sites/default/files/documents/FSelIXMembranes%20(1).pdf> [retrieved on 20240311] *
NIARCHOS GEORGIOS: "Electrodialytic Remediation of PFAS-Contaminated Soil", DEGREE PROJECT IN ENVIRONMENTAL ENGINEERING (2018) KTH ROYAL INSTITUTE OF TECHNOLOGY SCHOOL OF ARCHITECTURE AND THE BUILT ENVIRONMENT, 1 January 2018 (2018-01-01), XP055870457, Retrieved from the Internet <URL:http://kth.diva-portal.org/smash/get/diva2:1267892/FULLTEXT01.pdf> [retrieved on 20211208] *
See also references of WO2022098432A1 *
S�RENG�RD MATTIAS ET AL: "Electrodialytic per- and polyfluoroalkyl substances (PFASs) removal mechanism for contaminated soil", vol. 232, 1 October 2019 (2019-10-01), GB, pages 224 - 231, XP093139830, ISSN: 0045-6535, Retrieved from the Internet <URL:https://www.sciencedirect.com/science/article/pii/S0045653519309920/pdfft?md5=7ae8f42aa1ab08adf128eb244a4bc6b5&pid=1-s2.0-S0045653519309920-main.pdf> [retrieved on 20240311], DOI: 10.1016/j.chemosphere.2019.05.088 *

Also Published As

Publication number Publication date
CA3186861A1 (en) 2022-05-12
WO2022098432A1 (en) 2022-05-12
EP4240699A1 (en) 2023-09-13
US20220135446A1 (en) 2022-05-05
US12496553B2 (en) 2025-12-16

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